Free Revision Notes and Fun Learning for GCSE Physics, Biology, and Chemistry!

Talia Sotnick-Yogev

09/07/2025

Science

Notes for end of year tests

Subjects

Science

525

•

9 Jul 2025

•

8 pages

Free Revision Notes and Fun Learning for GCSE Physics, Biology, and Chemistry!

Name: Knowunity
Brand: Knowunity

Talia Sotnick-Yogev

@aliaotnickogev_apjk

GCSE Physics and Biology comprehensive study guide covering specialized cells,... Show more

Microbes and Immune System

This page focuses on white blood cells, vaccines, and bacterial cells, providing crucial information for GCSE Physics revision.

The content includes:

White Blood Cells: Two main types: Lymphocytes and Phagocytes Their roles in the immune response Vocabulary: Phagocytosis - The process by which phagocytes engulf and destroy pathogens.

Vaccines: Invention by Edward Jenner How vaccines work to provide immunity Highlight: Vaccines contain dead or harmless versions of pathogens to stimulate antibody production.

Bacterial Cells: Structure and growth conditions Comparison with virus cells Beneficial roles of some bacteria

Example: Bacteria are used in the production of yogurt and cheese, demonstrating their beneficial applications.

This page provides essential information for understanding microbiology and immunology, crucial topics for revision notes for end of year physics exams free.

Plant and Animal Cells

This page offers a detailed comparison of plant and animal cells, essential for Biology study notes specialized cells pdf.

Key points covered:

Plant Cell Structure: Seven main components Unique features: cell wall, chloroplasts, and permanent vacuole

Animal Cell Structure: Four main components Comparison with plant cells

Functions of Cell Components: Detailed explanation of each part's role

Definition: Chloroplast - An organelle found in plant cells that conducts photosynthesis.

Highlight: Animal cells lack a cell wall, allowing for more flexible shapes compared to plant cells.

This comprehensive comparison of plant and animal cells provides students with a clear understanding of cell biology, crucial for GCSE Physics revision.

Speed, Distance, and Time

This page covers the fundamental concepts of speed, distance, and time, essential for revision notes for end of year physics exams pdf.

The content includes:

Speed Calculation Formula: Speed = Distance / Time

Practical Examples: Calculating speed from given distance and time Determining time or distance using the formula

Speed of Sound: Characteristics of sound waves Speed of sound in air $340 m/s$

Speed of Light: Characteristics of light waves Speed of light $300,000 km/s$

Example: Lightning is seen before thunder is heard due to the significant difference in the speed of light and sound.

Graphs: Constant speed graph Constant acceleration graph

This page provides clear explanations and examples, making it an excellent resource for understanding speed, distance, and time concepts in physics.

Space: Seasons and Temperature

This page begins to explore concepts related to space, focusing on seasons and temperature variations on Earth.

Key points covered:

Earth's Tilt: How the tilt of Earth's axis affects seasons in the Northern and Southern Hemispheres

Seasonal Temperature Changes: Explanation of why temperatures are warmer when a hemisphere is tilted towards the Sun

Highlight: The concentration of the Sun's rays on a tilted hemisphere results in higher temperatures, leading to spring and summer seasons.

This page provides a foundation for understanding basic astronomical concepts and their effects on Earth's climate, which is crucial for comprehensive GCSE Physics revision.

Space

This section explores astronomical concepts, focusing on seasons, temperature variations, and lunar phases.

Definition: Seasonal changes occur due to Earth's axial tilt relative to the Sun.

Vocabulary: Waxing means the visible portion of the Moon is increasing, while waning means it's decreasing.

Highlight: Temperature variations are caused by the concentration of solar rays due to Earth's tilt.

Bunsen Burners and States of Matter

This section covers the three states of matter and their transitions, along with practical laboratory equipment information.

Definition: The three states of matter are solid, liquid, and gas.

Example: Water exists as ice $solid$ , liquid water, and water vapor $gas$ .

Highlight: State changes include melting, evaporation, condensation, and freezing.

Atoms and Elements (Part 1)

This section introduces atomic structure and nuclear composition, essential concepts in chemistry.

Definition: Atoms consist of a nucleus containing protons and neutrons, with electrons in outer shells.

Example: A mass number of 19 results from 7 protons plus 12 neutrons.

Highlight: The atomic number equals the number of protons in an atom.

Specialized Cells and Their Functions

This page provides an overview of various specialized cells in humans and plants, detailing their unique adaptations and functions.

Definition: Specialized cells are cells that have developed specific features to perform particular functions in the body.

The page covers:

Red Blood Cells: These cells are adapted for oxygen transport. Highlight: Red blood cells lack a nucleus to maximize space for hemoglobin, the oxygen-carrying protein.

Nerve Cells $Neurons$ : These cells are designed to carry impulses throughout the body. Vocabulary: Axon - The long, slender part of a neuron that conducts impulses away from the cell body.

Sperm Cells: These cells are specialized for fertilization. Example: Sperm cells have a streamlined shape and numerous mitochondria for efficient swimming.

Leaf Palisade Cells: These plant cells are adapted for photosynthesis. Highlight: Palisade cells are located at the top of the leaf to maximize light absorption.

Ciliated Cells: These cells are found in the respiratory system and help trap dust and bacteria.

This comprehensive overview of specialized cells serves as excellent biology study notes specialized cells gcse material, providing clear examples of how cells adapt to perform specific functions in both plants and animals.

We thought you’d never ask...
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Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
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4.9/5
App Store
4.8/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user

Subjects

Science

Science
•
525
•
9 Jul 2025
•
8 pages

Free Revision Notes and Fun Learning for GCSE Physics, Biology, and Chemistry!

Talia Sotnick-Yogev

@aliaotnickogev_apjk

GCSE Physics and Biology comprehensive study guide covering specialized cells, atomic structure, and fundamental physics concepts.

• This educational material covers essential topics in Biology study notes specialized cells pdfand physics, including detailed explanations of cell structures, atomic composition,... Show more

Sign up to see the contentIt's free!

Where can I download the Knowunity app?

You can download the app from Google Play Store and Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.9/5

App Store

4.8/5

Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

Best app on earth! no words because it’s too good

Thomas R

iOS user

Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.

Basil

Android user

This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.

Rohan U

Android user

I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.

Xander S

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now

Paul T

iOS user

Stefan S

iOS user

Samantha Klich

Android user

Anna

iOS user

Best app on earth! no words because it’s too good

Thomas R

iOS user

Basil

Android user

David K

iOS user

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

Rohan U

Android user

Xander S

iOS user

Elisha

iOS user

Paul T

iOS user